Threats affecting pkg:rpm/suse/libpng16

Multiple heap buffer over-read and out-of-bounds read vulnerabilities exist in libpng16, affecting processing of malformed or specially crafted PNG images. These vulnerabilities can cause memory corruption or crashes when handling certain palette indices, 8-bit input with specific conversion enabled, palette images with alpha optimization, 16-bit interlaced PNGs with 8-bit output, and palette PNGs with partial transparency and gamma correction. The issues are rated high severity. No explicit patch or remediation details are provided.